#647AAF#647AAF

#647AAF is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.4% C 0.086 H 266.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#647AAF
RGB	rgb(100, 122, 175)
HSL	hsl(222, 32%, 54%)
HSV	hsv(222, 43%, 69%)
CMYK	cmyk(42.9%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(51.52, 6.11, -30.66)
CIE-LCH	lch(51.52, 31.27, 281.26°)
OKLab	oklab(58.41% -0.0052 -0.0857)
OKLCH	oklch(58.41% 0.086 266.5)
XYZ	xyz(19.9505, 19.7225, 43.3047)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AAF #AF9964

analogous

#64A0AF #647AAF #7464AF

triadic

#647AAF #AF647A #7AAF64

tetradic

#647AAF #AF64A0 #AF9964 #64AF74

square

#647AAF #AF64A0 #AF9964 #64AF74

split-complementary

#647AAF #AF7464 #A0AF64

monochromatic

#344265 #495D8D #647AAF #8C9DC4 #B5BFD9

Accessibility & contrast

On white

4.25

#647AAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#647AAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AAF

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AAF	#FFFFFF	#000000	##000000
##647AAF	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB1

Deuteranopia (green-blind)

#6078AE

Tritanopia (blue-blind)

#4A858D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #647aaf;
/* rgb */ color: rgb(100, 122, 175);
/* oklch */ color: oklch(58.4% 0.086 266.5);

Tailwind

colors: {
  custom: {
    50: '#93a0c7',
    500: '#647aaf',
    950: '#000000',
  },
}

SCSS

$custom: #647aaf;
$custom-light: #93a0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#647aaf",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 222.4,
    "s": 31.915,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58411,
    "c": 0.0859,
    "h": 266.5
  },
  "luminance": 0.19724
}

Semantic roles & 50–950 ramp

primary

#647AAF

secondary

#C7BEA7

accent

#A960C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #647AAF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →